Gatlinburg, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Gatlinburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast21%—90°72°—
- SundayJul 5Heavy Drizzle37%0.06″90°72°0°
- MondayJul 6Thunderstorm84%0.07″89°68°-1°
- TuesdayJul 7Light Showers46%—86°66°-3°
- WednesdayJul 8Light Drizzle16%—84°64°-2°
- ThursdayJul 9Mostly Clear23%—90°65°+6°
- FridayJul 10Thunderstorm58%—87°70°-3°
AQI 43 (Good), driven by PM2.5. AQI up 16 in the last 6 hours — air quality is degrading. PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.86 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 3.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 43
PM × Wind × Precip
PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.86 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:22 PM
- Moonset
- 10:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Gatlinburg at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37738
16-Day Forecast — Gatlinburg
- Sat90°72°21%
- Sun90°72°37%
- Mon89°68°84%
- Tue86°66°46%
- Wed84°64°16%
- Thu90°65°23%
- Fri87°70°58%
- Sat77°65°64%
- Sun74°62°49%
- Mon79°58°30%
- Tue81°59°19%
- Wed87°64°61%
- Thu86°67°61%
- Fri89°68°87%
- Sat81°67°82%
- Sun85°67°79%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Gatlinburg
SPC has placed Gatlinburg in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Gatlinburg
- 37738